Home / 7,726.92-11,590.40-4,220.44

Finding the Fourth Proportional to 7,726.92, 11,590.40 and 4,220.44

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Solution

The fourth proportional to 7,726.92, 11,590.40 and 4,220.44 is: 6,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.92 : 11,590.40 = 4,220.44 : x
  2. Step 2: Convert to fraction form
    7,726.92/11,590.40 = 4,220.44/x
  3. Step 3: Cross multiply
    7,726.92x = 11,590.40 × 4,220.44
  4. Step 4: Simplify right side
    7,726.92x = 48,916,587.78
  5. Step 5: Solve for x
    x = 48,916,587.78/7,726.92
  6. Step 6: Final answer
    x = 6,330.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.